﻿<!doctype html>
<html lang="zh">
<head>
<meta charset="utf-8" />
<title>HTML5 Ajax Uploader</title>
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js" type="text/javascript"></script>
</head>
 
<body>
<p><input type="file" id="upfile" /></p>
<p><input type="button" id="upJS" value="用原生JS上传" /></p>
<p><input type="button" id="upJQuery" value="用jQuery上传"/></p>
<script>
/*原生JS版*/
document.getElementById("upJS").onclick = function() {
 /* FormData 是表单数据类 */
 var fd = new FormData();
 var ajax = new XMLHttpRequest();
 fd.append("upload", 1);
 /* 把文件添加到表单里 */
 fd.append("image", document.getElementById("upfile").files[0]);
 ajax.open("post", "upload/image", true);
 
 ajax.onload = function () {
 console.log(ajax.responseText);
 };
 
 ajax.send(fd);
  
}
 
/* jQuery 版 */
$('#upJQuery').on('click', function() {
 var fd = new FormData();
 fd.append("upload", 1);
 fd.append("image", $("#upfile").get(0).files[0]);
 $.ajax({
 url: "upload/image",
 type: "POST",
 processData: false,
 contentType: false,
 data: fd,
 success: function(d) {
 console.log(d);
 }
 });
});
</script>
</body>
</html>